Finding the Fourth Proportional to 222,091.44, 306,490.68 and 121,495.92
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Solution
The fourth proportional to 222,091.44, 306,490.68 and 121,495.92 is: 167,666.83
Step by Step Solution
- Step 1: Write the proportion equation
222,091.44 : 306,490.68 = 121,495.92 : x - Step 2: Convert to fraction form
222,091.44/306,490.68 = 121,495.92/x - Step 3: Cross multiply
222,091.44x = 306,490.68 × 121,495.92 - Step 4: Simplify right side
222,091.44x = 37,237,367,138.03 - Step 5: Solve for x
x = 37,237,367,138.03/222,091.44 - Step 6: Final answer
x = 167,666.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.